Change references to flashrom-stable

Adapt all mentions of the mailing list and also the version print.

Change-Id: Ib4a3271422ee6cf4d0efb8c3fa858b66a22c0a33
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/70922
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/bitbang_spi.c b/bitbang_spi.c
index 6d14961..d22b6fc 100644
--- a/bitbang_spi.c
+++ b/bitbang_spi.c
@@ -97,7 +97,7 @@
 	    (master->request_bus && !master->release_bus) ||
 	    (!master->request_bus && master->release_bus)) {
 		msg_perr("Incomplete SPI bitbang master setting!\n"
-			 "Please report a bug at flashrom@flashrom.org\n");
+			 "Please report a bug at flashrom-stable@flashrom.org\n");
 		return ERROR_FLASHROM_BUG;
 	}